Page 123 - PortGPT_V2.1_C8_Flipbook
P. 123

Worksheet                     2


                                               (Based on chapters 5 to 8)

                Tick ( ) the correct option.

                      1.  Which of the following is a reserved word that has a special meaning for the JavaScript
                         interpreter?

                         (i)  Keyword                                  (ii)  Variable
                         (iii)  Operator                               (iv)   Expressions

                      2.  Which of the following can we use to write the JavaScript code?
                         (i)  Notepad                                  (ii)  Visual Studio Code

                         (iii)  Sublime Text                           (iv)   All of these

                      3.  Which statement executes certain statements depends on the user’s choice?
                         (i)   Switch statement                        (ii)   If statement

                         (iii)   If else statement                     (iv)   None of these

                      4.  If a = 15 and b = 21, then what will be the output of the following code?
                            if(true)
                                document.write(a*b-a);

                           else
                                document.write(a**b);
                         (i)  100                                      (ii)  200

                         (iii)   300                                   (iv)   Nothing will print

                      5.  In JavaScript,  the statements  that  are  used to repeat a set of instructions  are  called
                         _________________:
                         (i)   Iterative                               (ii)   Looping statements

                         (iii)   simply loops                          (iv)   all of these

                      6.  An _________________ is defined as a change in an object’s state.
                         (i)   Event                                   (ii)  Event handler

                         (ii)  Function                                (iv)  All of these

                      7.  Which of the following appears in this instance when the button is clicked?
                         (i)   Message box                             (ii)   Alert box
                         (iii)  Both (i) and (ii)                      (iv)   None of these

                      8.  Which of the following is used to add multi-line comments in JavaScript?

                         (i)   /* */                                   (ii)   ==
                         (iii)   <!-- -->                              (iv)   " "



                                                                                                     Worksheet 2  121
   118   119   120   121   122   123   124   125   126   127   128